CC: Plumb LayerSettings parameter for cc::Layer construction.

cc/layers/layer.cc

Index: cc/layers/layer.cc
diff --git a/cc/layers/layer.cc b/cc/layers/layer.cc
index 44679fcff16ab06fab76b2e17acdf7459885d89a..593c494d750992fa47ef96472043e8abb6fe531d 100644
--- a/cc/layers/layer.cc
+++ b/cc/layers/layer.cc
@@ -34,11 +34,11 @@ namespace cc {
 
 base::StaticAtomicSequenceNumber g_next_layer_id;
 
-scoped_refptr<Layer> Layer::Create() {
-  return make_scoped_refptr(new Layer());
+scoped_refptr<Layer> Layer::Create(const LayerSettings& settings) {
+  return make_scoped_refptr(new Layer(settings));
 }
 
-Layer::Layer()
+Layer::Layer(const LayerSettings& settings)
     : needs_push_properties_(false),
       num_dependents_need_push_properties_(false),
       stacking_order_changed_(false),